code: def test_world_returns_correct_actions_with_lambda_without_var(self):
      sempre_form = (
          "((reverse fb:cell.cell.date) ((reverse fb:row.row.year) (argmax (number 1) "
          "(number 1) (fb:row.row.league fb:cell.usl_a_league) (reverse (lambda x "
          "((reverse fb:row.row.index) (var x)))))))"
      )
      expression = self.world.parse_logical_form(sempre_form)
      actions_without_var = self.world.get_action_sequence(expression)
      assert "<#1,#1> -> var" not in actions_without_var
      assert "r -> x" in actions_without_var
  
imports: from __future__ import with_statement
  from __future__ import division
  from __future__ import absolute_import
  from __future__ import print_function
  import pytest
  from allennlp.common.testing import AllenNlpTestCase
  from allennlp.data.tokenizers import Token
  from allennlp.semparse import ParsingError
  from allennlp.semparse.contexts import TableQuestionKnowledgeGraph
  from allennlp.semparse.worlds import WikiTablesWorld
label_desc: Use image node_id 13 for calling the TestWikiTablesWorld obj's underlying member method code with example usage: obj.test_world_returns_correct_actions_with_lambda_without_var() without return types